From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 675E58F5E for ; Fri, 13 Dec 2024 04:01:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734062470; cv=none; b=TKrK6lCZiYDUEI388FZfmJUqUwC+fVygZp6FqEvy87Y2ICHGlSQdTzejAGoGkcuqPsdJVCMy/k359Ve7nrjYoxetrgExFS8USFxsQEe3htha+4wIdlo8ChjrkD2ejplqvIgTkViIWOMztjCEzR5Yd8U+NBpl4cpWtQUwAmcLqZ4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734062470; c=relaxed/simple; bh=G0lARfDO5yOrzAV0RXMRe1yX2Pw9J5f0T6DebRbHp4A=; h=Date:To:From:Subject:Message-Id; b=r9oSR6Tpk209mclYn5OvFUNOcJAAEFgpkwsdGwQt78+0VeXniPlLnq7YizFqAmyQ8383/NmzkqbIpq2sgkPh0IJv3fNQWOpfY44kVRPKvKmGBn0TkjCG3Sor7JpYcyh0zxCt9DAvZ02UTndsN5+w/hJ7AsFPrlOnNXToGrCmQlw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=gHjlG0SI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="gHjlG0SI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EB3EFC4CED2; Fri, 13 Dec 2024 04:01:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1734062470; bh=G0lARfDO5yOrzAV0RXMRe1yX2Pw9J5f0T6DebRbHp4A=; h=Date:To:From:Subject:From; b=gHjlG0SIbHsNQgCNNi49tt7AlIpVBqiK78Fokyj20OktuVbX7O672K6njZ6INJBsI PN1Q4j+K0FOB15DxF7LXOTa0fgq/DMyWimZePr4TF8nsDHw9w3fI9HJCU6RbtyxCCj TuitwUw9KY5+IU434XgfMo+aWjTS1wQlrH2OctT4= Date: Thu, 12 Dec 2024 20:01:09 -0800 To: mm-commits@vger.kernel.org,willy@infradead.org,shikemeng@huaweicloud.com,akpm@linux-foundation.org From: Andrew Morton Subject: + xarray-remove-repeat-check-in-xas_squash_marks.patch added to mm-nonmm-unstable branch Message-Id: <20241213040109.EB3EFC4CED2@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: Xarray: remove repeat check in xas_squash_marks() has been added to the -mm mm-nonmm-unstable branch. Its filename is xarray-remove-repeat-check-in-xas_squash_marks.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/xarray-remove-repeat-check-in-xas_squash_marks.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Kemeng Shi Subject: Xarray: remove repeat check in xas_squash_marks() Date: Fri, 13 Dec 2024 20:25:22 +0800 Caller of xas_squash_marks() has ensured xas->xa_sibs is non-zero. Just remove repeat check of xas->xa_sibs in xas_squash_marks(). Link: https://lkml.kernel.org/r/20241213122523.12764-5-shikemeng@huaweicloud.com Signed-off-by: Kemeng Shi Cc: Matthew Wilcox Signed-off-by: Andrew Morton --- lib/xarray.c | 3 --- 1 file changed, 3 deletions(-) --- a/lib/xarray.c~xarray-remove-repeat-check-in-xas_squash_marks +++ a/lib/xarray.c @@ -128,9 +128,6 @@ static void xas_squash_marks(const struc unsigned int mark = 0; unsigned int limit = xas->xa_offset + xas->xa_sibs + 1; - if (!xas->xa_sibs) - return; - do { unsigned long *marks = xas->xa_node->marks[mark]; if (find_next_bit(marks, limit, xas->xa_offset + 1) == limit) _ Patches currently in -mm which might be from shikemeng@huaweicloud.com are xarray-do-not-return-sibling-entries-from-xas_find_marked.patch xarray-move-forward-index-correctly-in-xas_pause.patch xarray-distinguish-large-entries-correctly-in-xas_split_alloc.patch xarray-remove-repeat-check-in-xas_squash_marks.patch xarray-use-xa_mark_t-in-xas_squash_marks-to-keep-code-consistent.patch